{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["GENE"], "input": "These cells fail to generate the signals to phosphorylate CREB and produce significantly less of the cytokine Interleukin - 2 ( IL - 2 ) in response to agents that either increase intracellular Ca2 + and / or activate protein kinase C ."}
{"GENE": ["CREB", "Interleukin - 2", "IL - 2", "protein kinase C"]}